Case for a portable battery charger



FIG. 1 is a side elevational view of a case for a portable battery charger showing our new design, the opposite side elevational view being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a case for a portable battery charger, as shown and described. 